Cessna T188C - Trouble Shooting; Stall Warning System; Outside Air Temperature Gage

MODEL 188
& T188 SERIES
SERVICE
MANUAL
15-46.
Trouble
Shooting
(Cont).
ROTOR
DOES
NOT START.
Faulty
electrical
connection.
Check
continuity
and voltage.
Correct
voltage
or
replace
faulty
wire.
Inverter malfunctioning. Replace instrument.
Motor shorted.
Replace
instrument.
Bearings frozen.
Replace instrument.
IN
COLD TEMPERATURES.
Oil
in indicator
becomes
Replace
instrument.
HAND
FAILS
TO
RESPOND
too
thick.
OR
IS
SLUGGISH.
Insufficient
bearing
end play.
Replace
instrument.
Low
voltage.
Check
voltage
at instrument.
Correct
voltage.
NOISY
GYRO.
High voltage.
Check
voltage
to instrument.
Correct
voltage.
Loose or defective
rotor
Replace instrument.
bearings.
15-47. STALL
WARNING
SYSTEM. Refer
to Sec-
outside air temperature
gage
is mounted through
the
tion
16 for description
and maintenance
procedures,
canopy
top as shown in
figure 15-5.
The gage re-
The wiring diagram
for the stall warning system
quires no maintenance
except keeping the mounting
appears
in Section 20.
secure
and occasionally replacing the
sealing grom-
mets.
15-48. OUTSIDE AIR TEMPERATURE GAGE. An
A
1.
Washer
-
2. Sealing Grommet
3. Canopy Top
-
Detail A 4. Gage
Figure 15-5.
Outside
Air Temperature
Gage
15-14